Jaltomata tlaxcala Flores-Sánchez & Sandoval-Villa sp. nov. (Figures 3–6).

The sequence of the specimen was deposited in GenBank under accession number PP272016.

Holotype: Mexico, Tlaxcala, municipality of Ixtenco, growing on the side of maize crop field, 19°15´N and 97°53´W, predominant temperate sub-humid climate C (w1) and C (w2), elevation 2500 m.a.s.l., August 11 th, 2015.

Diagnosis: Jaltomata tlaxcala differs from J. procumbens and J. bohsiana (Table 3) in growth habit, prostrate or decumbent ( J. tlaxcala) vs. erect ( J. procumbens and J. bohsiana), leaf type, subalternates ( J. tlaxcala) vs. alternate ( J. procumbens and J. bohsiana), number of flowers per inflorescence, 2 to 3 flowers ( J. tlaxcala) vs. up to 18 flowers ( J. procumbens) and 5 to 7 flowers ( J. bohsiana), pedicel type, subterete or almost terete ( J. tlaxcala) vs. pedicel with longitudinal elevated ridges ( J. procumbens) and angled pedicel ( J. bohsiana), calyx characteristics and position in the fruit, calyx marcescent green and covering about half of the fruit with the tips of the lobes raised ( J. tlaxcala) vs. calyx green or green with purple colour, plane to reflexed and showing the fruit on lateral view or bowl-like on the fruit ( J. procumbens), and calyx purple, recurved and concave in transverse section ( J. bohsiana), corolla colour, pale yellow and dark green flower base, giving the overall appearance of a ring ( J. tlaxcala) vs. pale green, light green ( J. procumbens) and pale green ( J. bohsiana), stigma shape, discoid ( J. tlaxcala) vs. capitate ( J. procumbens and J. bohsiana), fruit colour, pale green with few dark green or purple vertical lines, with a slight purple spot on one side of the fruit when ripe ( J. tlaxcala) vs. black or dark purple when ripe ( J. procumbens) and dark bright when ripe ( J. bohsiana), seed shape and measurements, oblate form with length of 1.68 mm, width of 1.51 mm and thickness of 0.51 mm ( J. tlaxcala) vs. ovate to reniform with length of 1.46 mm, width of 1.29 mm and thickness of 0.52 mm ( J. procumbens) and ovate to sub-triangle with length of 1.30 mm, width of 0.98 mm and thickness of 0.38 mm ( J. bohsiana).